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This package installs an updated version of the device driver and application suite for the Broadcom BCM4401 and BCM578x onboard Ethernet that comes preinstalled in your computer.

This package contains the base Broadcom Ethernet drivers as well as applications and utilities such as the Broadcom Advanced Control Suite (BACS), the Broadcom Management Application Programming Interface (BMAPI), Diagnostics, etc.

This package can be extracted only under a Windows 32-bit operating system, such as Microsoft Windows 95, 98, Me, NT 4.0, 2000, or XP.

When prompted, select a drive and directory in which to save the downloaded file.

Extracting the update

Click Start, select Find or Search, then click Files and folders.

Type q3etn12us13.exe in the search field, then click Find Now. This will locate the file you just downloaded.

Double-click the q3etn12us13.exe icon.

Click Next. Read the license agreement.

Click I accept the terms in the license agreement.

Click Next.

Ensure that "Save files in folder" is set to C:\SWTOOLS\drivers\ethernet\Q3etn12US13.

Click Next.

Click Finish to extract the necessary files to your hard drive.

Installing the update

If you have the Broadcom_4401, 10/100 Fast Ethernet Network Controller, detailed installation notes are available by opening the index.htm file in the following directory: C:\SWTOOLS\drivers\ethernet\Q3etn12US13\B44LENOVO735\Manuals

If you have the Broadcom_5789, 10/100/1000 Gigabit Ethernet Network Controller, detailed installation notes are available by opening the index.htm file in the following directory: C:\SWTOOLS\drivers\ethernet\Q3etn12US13\B57LENOVOdt946\Manuals\English